cloud density measuring apparatus是什么意思

用法例句

This article is started with analyzing the structure and principle the X-ray filter of NORLAND XR-36bone densitometers rational purchase and safe use of the domestic medical equipments.

本文从分析NORLANDXR-36型骨密度测量仪的滤线器的结构原理入手,对进口设备的维修在确保安全的前提下,以提高效益为中心,能用国产配件的则用之,能修复的则修之,尽可能地降低维修成本,提高维修技术人员的技能,准确地判断故障,快速地修复设备。